Question: Which the {subject has role} and the {location of discovery} of {Iodine} ?
Paraphrase: What does iodine do and where was it discovered?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q1103 wdt:P2868 ?ans_1 . wd:Q1103 wdt:P189 ?ans_2 }
Answer: Paris, trace metal, Paris, local anti-infective agent